<template>
  <div class="login">
    <el-form class="login-form-left">
      <h3>
        {{ $store.state.settings.siteTitle }}
      </h3>
    </el-form>
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" label-position="left" label-width="0px" class="login-form">
      <h3 class="title">
        登录/login
      </h3>
      <el-form-item class="formItem" prop="username">
        <el-input v-model="loginForm.username" type="text" auto-complete="off" placeholder="用户名" />
      </el-form-item>
      <el-form-item class="formItem" prop="password">
        <el-input v-model="loginForm.password" type="password" auto-complete="off" placeholder="密 码" @keyup.enter.native="handleLogin" />
      </el-form-item>
      <el-checkbox v-model="loginForm.rememberMe" style="margin:0 0 25px 0; float: right; color: #fff">
        记住我
      </el-checkbox>
      <el-form-item style="width:100%;">
        <el-button :loading="loading" size="medium" type="primary" style="width:100%;" class="loginWrap" @click.native.prevent="handleLogin">
          <span v-if="!loading">登 录</span>
          <span v-else>登 录 中...</span>
        </el-button>
      </el-form-item>
    </el-form>
    <!--  底部  -->
    <div v-if="$store.state.settings.showFooter" id="el-login-footer">
      <span v-html="$store.state.settings.footerTxt" />
      <span> ⋅ </span>
      <a href="http://www.beian.miit.gov.cn" target="_blank">{{ $store.state.settings.caseNumber }}</a>
    </div>
  </div>
</template>

<script>
import Config from '@/settings'
import Cookies from 'js-cookie'
export default {
  name: 'Login',
  data() {
    return {
      codeUrl: '',
      cookiePass: '',
      loginForm: {
        username: 'admin',
        password: '654321',
        rememberMe: false
      },
      loginRules: {
        username: [{ required: true, trigger: 'blur', message: '用户名不能为空' }],
        password: [{ required: true, trigger: 'blur', message: '密码不能为空' }]
        // code: [{ required: true, trigger: 'change', message: '验证码不能为空' }]
      },
      loading: false,
      redirect: undefined
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  created() {
    this.getCookie()
  },
  methods: {
    getCookie() {
      const username = Cookies.get('username')
      let password = Cookies.get('password')
      const rememberMe = Cookies.get('rememberMe')
      // 保存cookie里面的加密后的密码
      this.cookiePass = password === undefined ? '' : password
      password = password === undefined ? this.loginForm.password : password
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password: password,
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
      }
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        const user = {
          username: this.loginForm.username,
          password: this.loginForm.password,
          rememberMe: this.loginForm.rememberMe
        }
        if (valid) {
          this.loading = true
          if (user.rememberMe) {
            Cookies.set('username', user.username, { expires: Config.passCookieExpires })
            Cookies.set('password', user.password, { expires: Config.passCookieExpires })
            Cookies.set('rememberMe', user.rememberMe, { expires: Config.passCookieExpires })
          } else {
            Cookies.remove('username')
            Cookies.remove('password')
            Cookies.remove('rememberMe')
          }
          this.$store.dispatch('Login', user).then(() => {
            this.loading = false
            this.$router.push({ path: this.redirect || '/' })
          }).catch(() => {
            this.loading = false
            this.getCode()
          })
        } else {
          console.log('error submit!!')
          return false
        }
      })
    }
  }
}
</script>

<style rel="stylesheet/scss" lang="scss">
  .login {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    background: rgb(53,54,74);
    /*background-image:url(https://api.isoyu.com/bing_images.php);*/
    background-size: cover;
  }
  .title {
    margin: 0 auto 35px auto;
    float: left;
    text-align: center;
    color: #fff;
    font-size: 16px;
  }

  .login-form-left {
    width: 385px;
    padding: 25px 45px 5px 25px;
    h3 {
      font-size: 28px;
      margin: 0 auto 30px auto;
      text-align: right;
      color: #fff;
    }
  }

  .login-form {
     /*border-radius: 6px;*/
     border-left: 1px solid rgb(87,89,110);
     /*background: #ffffff;*/
     width: 385px;
     padding: 25px 25px 5px 45px;
     .el-input {
       height: 38px;
       input {
         color: #fff;
         height: 38px;
       }
     }
     .input-icon{
       height: 39px;width: 14px;margin-left: 2px;
     }
   }

  .formItem {

    border-bottom: 1px solid rgb(87,89,110);

    input {
      border: none;
      font-size: 16px;
      background-color: rgb(53,54,74);
    }

    input::placeholder {
      color: rgb(87,89,110);
    }
  }

  .login-tip {
    font-size: 13px;
    text-align: center;
    color: #bfbfbf;
  }
  .login-code {
    width: 33%;
    display: inline-block;
    height: 38px;
    float: right;
    img{
      cursor: pointer;
      vertical-align:middle
    }
  }

  .loginWrap {
    border-radius: 20px;
  }
</style>
